~ This is relevant today because it shows one way in which climatic events impact disease. Sudden changes (both increases & decreases) in temperature and rainfall will impact both human health and crop production, and climatic change causes changes in both areas. This is significant to us because we are currently undergoing major climatic warming. ~

The separation of the world into “ have’s ” and “ have-not’s ” Why is it so unequal? What is the origin of power? “ All great societies have had advanced technology, large populations, and a well organized workforce. But how do these things come about?”